Chair control release and locking cam for tiltable chairs



FIG. 1 is a front perspective view of a chair control release and locking cam for tiltable chairs showing my new design;

FIG. 2 is a side elevational view;

FIG. 3 is a side elevational view of the side opposite to that shown in FIG. 2;

FIG. 4 is an end elevational view;

FIG. 5 is an end elevational view of the end opposite to that shown in FIG. 4;

FIG. 6 is a top view thereof; and

FIG. 7 is a bottom view thereof. 

The ornamental design for a chair control release and locking cam for tiltable chairs, substantially as shown and described. 